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Fig. 8. The distribution of Ag-NOR protein in the nucleolus. (A) Ag-NOR proteins are mainly distributed in the interior of the nucleolus and present as circular configurations with hollow centers. A is the enlarged image of the nucleolar region of B. (B) The complete picture of the cell nucleus after Ag-NOR staining. Ag-NOR proteins are mainly located in the nucleolus. N, nucleus; Nu, nucleolus; Cyt, cytoplasm. Bar, 0.3 µm.